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Finding the Fourth Proportional to 633,072.52, 873,606.90 and 346,537.72

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Solution

The fourth proportional to 633,072.52, 873,606.90 and 346,537.72 is: 478,203.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,072.52 : 873,606.90 = 346,537.72 : x
  2. Step 2: Convert to fraction form
    633,072.52/873,606.90 = 346,537.72/x
  3. Step 3: Cross multiply
    633,072.52x = 873,606.90 × 346,537.72
  4. Step 4: Simplify right side
    633,072.52x = 302,737,743,302.27
  5. Step 5: Solve for x
    x = 302,737,743,302.27/633,072.52
  6. Step 6: Final answer
    x = 478,203.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.